12 x 32mm vials manufactured from translucent virgin polypropylene. Polypropylene is chemically resistant and the material of choice for pH sensitive samples, sodium, or heavy metals analysis. Able to withstand temperatures to 135°C. Crimp/snap or screw cap styles.
Cat.No. 92-9301-0977 has polypropylene body with a glass flanged insert molded to the inside. Sample comes in contact only with the 100µL high quality glass insert and the septum.